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annotate src/ov-struct.h @ 10825:cace99cb01ab

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rewrite logm (M. Caliari, R.T. Guy)
author Jaroslav Hajek <highegg@gmail.com>
date Wed, 28 Jul 2010 09:22:41 +0200
parents 76079e505f9d
children 629f6fc20dc5
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1 /*
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2
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3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006,
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4 2007, 2008, 2009 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if !defined (octave_struct_h)
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25 #define octave_struct_h 1
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26
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27 #include <cstdlib>
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28
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29 #include <iosfwd>
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30 #include <string>
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31
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32 #include "mx-base.h"
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33 #include "str-vec.h"
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34
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35 #include "error.h"
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36 #include "oct-alloc.h"
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37 #include "oct-map.h"
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38 #include "ov-base.h"
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39 #include "ov-typeinfo.h"
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40
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41 class octave_value_list;
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42
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43 class tree_walker;
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44
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45 // Data structures.
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46
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47 class
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48 octave_struct : public octave_base_value
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49 {
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50 public:
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51
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52 octave_struct (void)
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53 : octave_base_value () { }
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54
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55 octave_struct (const octave_map& m)
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56 : octave_base_value (), map (m) { }
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57
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58 octave_struct (const Octave_map& m)
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59 : octave_base_value (), map (m) { }
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60
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61 octave_struct (const octave_struct& s)
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62 : octave_base_value (), map (s.map) { }
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63
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64 ~octave_struct (void) { }
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65
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66 octave_base_value *clone (void) const { return new octave_struct (*this); }
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67 octave_base_value *empty_clone (void) const { return new octave_struct (); }
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68
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69 octave_base_value *try_narrowing_conversion (void);
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70
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71 Cell dotref (const octave_value_list& idx, bool auto_add = false);
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72
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73 octave_value subsref (const std::string& type,
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74 const std::list<octave_value_list>& idx)
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75 {
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76 octave_value_list tmp = subsref (type, idx, 1);
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77 return tmp.length () > 0 ? tmp(0) : octave_value ();
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78 }
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79
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80 octave_value_list subsref (const std::string&,
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81 const std::list<octave_value_list>&, int);
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82
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83 octave_value subsref (const std::string& type,
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84 const std::list<octave_value_list>& idx,
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85 bool auto_add);
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86
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87 static octave_value numeric_conv (const octave_value& val,
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88 const std::string& type);
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89
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90 octave_value subsasgn (const std::string& type,
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91 const std::list<octave_value_list>& idx,
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92 const octave_value& rhs);
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93
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94 octave_value squeeze (void) const { return map.squeeze (); }
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95
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96 octave_value permute (const Array<int>& vec, bool inv = false) const
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97 { return map.permute (vec, inv); }
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98
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99 octave_value do_index_op (const octave_value_list& idx,
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100 bool resize_ok = false);
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101
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102 dim_vector dims (void) const { return map.dims (); }
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103
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104 size_t byte_size (void) const;
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105
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106 // This is the number of elements in each field. The total number
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107 // of elements is numel () * nfields ().
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108 octave_idx_type numel (void) const
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109 {
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110 return map.numel ();
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111 }
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112
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113 octave_idx_type nfields (void) const { return map.nfields (); }
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114
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115 octave_value reshape (const dim_vector& new_dims) const
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116 { return map.reshape (new_dims); }
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117
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118 octave_value resize (const dim_vector& dv, bool fill = false) const
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119 { octave_map tmap = map; tmap.resize (dv, fill); return tmap; }
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120
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121 bool is_defined (void) const { return true; }
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122
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123 bool is_constant (void) const { return true; }
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124
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125 bool is_map (void) const { return true; }
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126
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127 builtin_type_t builtin_type (void) const { return btyp_struct; }
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128
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129 octave_map map_value (void) const { return map; }
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130
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131 string_vector map_keys (void) const { return map.fieldnames (); }
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132
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133 void print (std::ostream& os, bool pr_as_read_syntax = false) const;
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134
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135 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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136
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137 bool print_name_tag (std::ostream& os, const std::string& name) const;
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138
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139 bool save_ascii (std::ostream& os);
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140
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141 bool load_ascii (std::istream& is);
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142
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143 bool save_binary (std::ostream& os, bool& save_as_floats);
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144
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145 bool load_binary (std::istream& is, bool swap,
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146 oct_mach_info::float_format fmt);
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147
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148 #if defined (HAVE_HDF5)
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149 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);
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150
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151 bool load_hdf5 (hid_t loc_id, const char *name);
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152 #endif
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153
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154 mxArray *as_mxArray (void) const;
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155
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156 octave_value
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157 fast_elem_extract (octave_idx_type n) const;
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158
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159 bool
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160 fast_elem_insert (octave_idx_type n, const octave_value& x);
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161
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162 protected:
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163
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164 // The associative array used to manage the structure data.
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165 octave_map map;
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166
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167 private:
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168
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169 DECLARE_OCTAVE_ALLOCATOR
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170
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171 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
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172 };
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173
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174 class
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175 octave_scalar_struct : public octave_base_value
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176 {
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177 public:
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178
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179 octave_scalar_struct (void)
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180 : octave_base_value () { }
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181
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182 octave_scalar_struct (const octave_scalar_map& m)
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183 : octave_base_value (), map (m) { }
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184
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185 octave_scalar_struct (const octave_scalar_struct& s)
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186 : octave_base_value (), map (s.map) { }
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187
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188 ~octave_scalar_struct (void) { }
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189
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190 octave_base_value *clone (void) const { return new octave_scalar_struct (*this); }
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191 octave_base_value *empty_clone (void) const { return new octave_scalar_struct (); }
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192
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193 octave_value dotref (const octave_value_list& idx, bool auto_add = false);
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194
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195 octave_value subsref (const std::string& type,
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196 const std::list<octave_value_list>& idx);
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197
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198 octave_value_list subsref (const std::string& type,
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199 const std::list<octave_value_list>& idx, int);
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200
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201
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202 octave_value subsref (const std::string& type,
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203 const std::list<octave_value_list>& idx,
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204 bool auto_add);
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205
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206 static octave_value numeric_conv (const octave_value& val,
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207 const std::string& type);
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208
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209 octave_value subsasgn (const std::string& type,
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210 const std::list<octave_value_list>& idx,
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211 const octave_value& rhs);
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212
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213 octave_value squeeze (void) const { return map; }
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214
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215 octave_value permute (const Array<int>& vec, bool inv = false) const
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216 { return octave_map (map).permute (vec, inv); }
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217
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218 octave_value do_index_op (const octave_value_list& idx,
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219 bool resize_ok = false);
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220
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221 dim_vector dims (void) const { static dim_vector dv (1, 1); return dv; }
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222
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223 size_t byte_size (void) const;
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224
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225 // This is the number of elements in each field. The total number
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226 // of elements is numel () * nfields ().
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227 octave_idx_type numel (void) const
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228 {
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229 return 1;
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230 }
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231
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232 octave_idx_type nfields (void) const { return map.nfields (); }
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233
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234 octave_value reshape (const dim_vector& new_dims) const
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235 { return octave_map (map).reshape (new_dims); }
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236
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237 octave_value resize (const dim_vector& dv, bool fill = false) const
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238 { octave_map tmap = map; tmap.resize (dv, fill); return tmap; }
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239
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240 bool is_defined (void) const { return true; }
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241
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242 bool is_constant (void) const { return true; }
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243
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244 bool is_map (void) const { return true; }
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245
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246 builtin_type_t builtin_type (void) const { return btyp_struct; }
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247
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248 octave_map map_value (void) const { return map; }
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249
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250 octave_scalar_map scalar_map_value (void) const { return map; }
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251
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252 string_vector map_keys (void) const { return map.fieldnames (); }
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253
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254 void print (std::ostream& os, bool pr_as_read_syntax = false) const;
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255
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256 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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257
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258 bool print_name_tag (std::ostream& os, const std::string& name) const;
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259
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260 bool save_ascii (std::ostream& os);
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261
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262 bool load_ascii (std::istream& is);
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263
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264 bool save_binary (std::ostream& os, bool& save_as_floats);
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265
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266 bool load_binary (std::istream& is, bool swap,
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267 oct_mach_info::float_format fmt);
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268
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269 #if defined (HAVE_HDF5)
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270 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);
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271
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272 bool load_hdf5 (hid_t loc_id, const char *name);
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273 #endif
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274
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275 mxArray *as_mxArray (void) const;
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276
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277 bool fast_elem_insert_self (void *where, builtin_type_t btyp) const;
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278
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279 protected:
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280
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281 // The associative array used to manage the structure data.
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282 octave_scalar_map map;
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283
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284 private:
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285
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286 octave_value to_array (void);
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287
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288 DECLARE_OCTAVE_ALLOCATOR
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289
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290 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
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291 };
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292
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293 #endif